Jackson weather in May: Jackson, Wyoming: normal highs, lows, rain and records for May
Jackson in May has a normal high of 60°F and a normal low of 32°F, a daily mean of 46°F, rising from 55°F on the 1st to 65°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 1.83 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 0°C, 46 mm of precipitation and 2 cm of snow in May.
- NOAA stationJackson
- Station IDUSC00484910
- Location43.49°N 110.76°W
- Elevation6,210 ft (1,893 m)
- Population10,680
- Jan 26° 6°
- Feb 30° 9°
- Mar 40° 18°
- Apr 50° 26°
- May 60° 32°
- Jun 70° 38°
- Jul 79° 41°
- Aug 78° 40°
- Sep 68° 33°
- Oct 55° 25°
- Nov 38° 16°
- Dec 26° 7°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jackson in May?
The normal high is 60°F and the normal low 32°F, for a daily mean of 45.9°F. May is 7.9°F warmer than April and 7.9°F cooler than June. May is the 5th warmest month of the year in Jackson and the wettest. Across the month the normal high rises 10°F, from 55°F on May 1 to 65°F on May 31. From one year to the next May's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 44°F and 48°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 55°F | 28°F | 31% | 17% |
| May 8 | 58°F | 30°F | 32% | 17% |
| May 15 | 60°F | 31°F | 34% | 18% |
| May 22 | 62°F | 33°F | 36% | 19% |
| May 31 | 65°F | 35°F | 37% | 19% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 55°F | 28°F | 31% | 17% | 14 h 10 min |
| May 2 | 56°F | 28°F | 31% | 17% | 14 h 10 min |
| May 3 | 56°F | 28°F | 32% | 17% | 14 h 10 min |
| May 4 | 56°F | 29°F | 32% | 17% | 14 h 10 min |
| May 5 | 57°F | 29°F | 32% | 17% | 14 h 20 min |
| May 6 | 57°F | 29°F | 32% | 17% | 14 h 20 min |
| May 7 | 57°F | 29°F | 32% | 17% | 14 h 20 min |
| May 8 | 58°F | 30°F | 32% | 17% | 14 h 20 min |
| May 9 | 58°F | 30°F | 33% | 17% | 14 h 30 min |
| May 10 | 58°F | 30°F | 33% | 17% | 14 h 30 min |
| May 11 | 59°F | 30°F | 33% | 18% | 14 h 30 min |
| May 12 | 59°F | 30°F | 33% | 18% | 14 h 30 min |
| May 13 | 59°F | 31°F | 33% | 18% | 14 h 40 min |
| May 14 | 60°F | 31°F | 34% | 18% | 14 h 40 min |
| May 15 | 60°F | 31°F | 34% | 18% | 14 h 40 min |
| May 16 | 60°F | 31°F | 34% | 18% | 14 h 40 min |
| May 17 | 61°F | 32°F | 34% | 18% | 14 h 40 min |
| May 18 | 61°F | 32°F | 35% | 18% | 14 h 50 min |
| May 19 | 61°F | 32°F | 35% | 19% | 14 h 50 min |
| May 20 | 62°F | 33°F | 35% | 19% | 14 h 50 min |
| May 21 | 62°F | 33°F | 36% | 19% | 14 h 50 min |
| May 22 | 62°F | 33°F | 36% | 19% | 14 h 50 min |
| May 23 | 63°F | 33°F | 36% | 19% | 15 h |
| May 24 | 63°F | 34°F | 36% | 19% | 15 h |
| May 25 | 63°F | 34°F | 37% | 19% | 15 h |
| May 26 | 64°F | 34°F | 37% | 19% | 15 h |
| May 27 | 64°F | 34°F | 37% | 19% | 15 h |
| May 28 | 64°F | 35°F | 37% | 19% | 15 h |
| May 29 | 64°F | 35°F | 37% | 19% | 15 h 10 min |
| May 30 | 65°F | 35°F | 37% | 19% | 15 h 10 min |
| May 31 | 65°F | 35°F | 37% | 19% | 15 h 10 min |
- Normal high
- 60°FMay average
- Normal low
- 32°FMay average
- Precipitation
- 1.83 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 0.6 inmonth total
- Nights at 32°F or colder
- 16
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 1
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00484910; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Jackson in May?
On a given May day the chance of 0.01 inch or more is 34% on average, highest around May 27 (37%). In all, 1.83 in falls on 11 days of a normal May.
In a normal May in Jackson, 16 nights fall to freezing and snowfall averages 0.6 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00484910.
What are the records for May in Jackson?
The warmest May temperature on this station's record (since 1905) is 90°F, on May 29, 2003; the coldest is 5°F, on May 2, 1988. The wettest May brought 6.02 in (1980); the snowiest, 14.5 inches (1942).
The May mean against the 1991-2020 normal of 45.9°F: 2021 46.1°F (+0.2), 2022 43.5°F (−2.4), 2023 48.6°F (+2.7), 2024 43.1°F (−2.8), 2025 47.7°F (+1.8), 2026 47.1°F (+1.2). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.1°F | +0.2°F | 3.35 in |
| 2022 | 43.5°F | −2.4°F | 2.19 in |
| 2023 | 48.6°F | +2.7°F | 1.82 in |
| 2024 | 43.1°F | −2.8°F | 2.10 in |
| 2025 | 47.7°F | +1.8°F | 2.64 in |
| 2026 | 47.1°F | +1.2°F | 1.82 in |
Source: records: ACIS, station USC00484910; recent months: ACIS, station USC00484910. Records and recent months use complete months only.
How does May in Jackson compare across Wyoming?
Across the 71 places PlainClimate covers in Wyoming, May normal highs run from 55°F in Sundance to 73°F in Basin; Jackson's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.